Summary: Up-to-date night sky activity beginning April 27, 2010 through May 10, 2010. In this episode: What are cosmic rays and how do they differ from gamma rays? Are they harmful to life on Earth and what have we learned from them?
Summary: Up-to-date night sky activity beginning April 27, 2010 through May 10, 2010. In this episode: What are cosmic rays and how do they differ from gamma rays? Are they harmful to life on Earth and what have we learned from them?